Method and device for adjusting parameters of controller
An adjustment method and controller technology, applied in the direction of control/adjustment system, adaptive control, general control system, etc., can solve the problem that the control system meets the control requirements, etc.
Active Publication Date: 2013-12-11
BEIJING RUNKE GENERAL TECH
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[0004] However, in practical applications, the state of the controlled object changes. When the state of the controlled object changes, the originally set controller parameters may not be able to make the control system meet the control requirements.
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[0030] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention. Apparently, the described embodiments are only some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0031] see figure 1 A schematic flowchart of an embodiment of a controller parameter adjustment method of the present invention is shown. In this embodiment, the method includes:
[0032] 101: Obtain multiple transfer functions corresponding to the controlled object in multiple states.
[0033] During the control process of the controlled object by the controller, the state of the controlled object will change accordingly, and the transfer function of...
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The invention provides a method and device for adjusting parameters of a controller. According to the method for adjusting the parameters of the controller, a plurality of transfer functions of a controlled object in different states are obtained firstly, then a plurality of transfer functions of a control system are obtained, and each of the transfer functions of the control system is selected to serve as a transfer function to be analyzed in sequence; simulation is carried out on the control system according to preset parameters of the controller and the transfer function to be analyzed, and the fact whether the preset parameters can meet preset control requirements is judged according to a simulation result; if the preset parameters can not meet the preset control requirements, optimizing calculation is carried out with the preset parameters serving as optimizing initial parameters to obtain another set of parameters of the controller; when all the transfer functions of the control system are used as transfer functions to be analyzed one by one and all obtained parameters of the controller can meet the control requirements, the obtained parameters of the controller are determined to be the final parameters of the controller.
Description
technical field [0001] The invention relates to the field of automatic control, in particular to a method and device for adjusting controller parameters. Background technique [0002] With the development of industry, control systems are gradually applied to various fields. The control system mainly includes: the controller and the controlled object. The controller adjusts the controlled object according to the control instruction and the current state of the controlled object. [0003] In order to make the control system meet the preset control requirements, such as: to ensure that the response time and overshoot of the controlled object are within the preset range, when designing the controller, it is necessary to set the controller according to the current state of the controlled object parameters to meet the control requirements of the control system. [0004] However, in practical applications, the state of the controlled object changes. When the state of the control...
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IPC IPC(8): G05B13/02
Inventor 罗喜霜齐海超
Owner BEIJING RUNKE GENERAL TECH